CN217943613U - Electric frame lifting device - Google Patents
Electric frame lifting device Download PDFInfo
- Publication number
- CN217943613U CN217943613U CN202222349641.0U CN202222349641U CN217943613U CN 217943613 U CN217943613 U CN 217943613U CN 202222349641 U CN202222349641 U CN 202222349641U CN 217943613 U CN217943613 U CN 217943613U
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- fixed
- belt wheel
- frame
- flywheel
- lifting device
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Abstract
The utility model discloses an electric frame lifting device, which comprises a frame, wherein an automatic limiting device, a main motor and an auxiliary motor are fixed on the frame; a third belt wheel is fixed on an output shaft of the auxiliary motor, a fourth belt wheel is fixed at the rear end of the output shaft of the main motor, the diameter of the third belt wheel is smaller than that of the fourth belt wheel, and the third belt wheel and the fourth belt wheel form transmission fit through a transmission belt; the automatic limiting device comprises an air cylinder, the air cylinder is fixed on the rack, and a tip is fixed at the front end of a piston rod of the air cylinder. The utility model discloses a set up vice motor and can make and carry out speed reduction's band pulley group between vice motor and the main motor for can drive the output shaft slow rotating of main motor through electronic mode, and then drive the saw blade installing frame and upwards rise, and then need not to rotate the output shaft of main motor through the manpower, thereby can reduce operating personnel's intensity of labour, reduce operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to a timber chipping machine technical field especially relates to electronic liter frame device.
Background
The working principle of the wood chipping machine is that wood advancing at a certain speed is divided into a plurality of wood boards by utilizing the reciprocating motion of a plurality of saw blades arranged at a certain interval.
When the wood chipping processing is carried out on a wood chipping processing production line, saw blades on the wood chipping machine gradually become dull, in order to guarantee processing quality and processing progress, the saw blades are required to be replaced in time, the saw blades are installed on a frame body which does reciprocating motion, in order to have enough operating space when the saw blades are replaced, the frame body used for fixing the saw blades is required to be positioned at the highest point on a motion route and fixed when the saw blades are replaced, and the situation that the frame body suddenly moves to cause injury to operators when the saw blades are replaced is avoided;
in order to achieve the purpose, a polygonal shaft is fixed at the end of a main motor shaft in the traditional method, when a frame body fixed with saw blades needs to be lifted, a hand crank matched with the polygonal shaft needs to be connected to the polygonal shaft, the main motor shaft is driven to slowly rotate in a manual hand-cranking mode, then the saw blade fixing frame body slowly rises to the highest point, and then the rotation of the main motor shaft is limited by a limiting rod or a plurality of clamps capable of limiting the rotation of the main motor shaft, so that the frame body is prevented from automatically falling back; the whole frame lifting fixing process needs manual operation, the labor intensity of operators can be increased, and more physical loss is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an electric frame lifting device.
In order to realize the purpose, the utility model adopts the following technical scheme:
the electric frame lifting device comprises a rack, wherein an automatic limiting device, a main motor and an auxiliary motor are fixed on the rack;
a third belt wheel is fixed on an output shaft of the auxiliary motor, a fourth belt wheel is fixed at the rear end of the output shaft of the main motor, the diameter of the third belt wheel is smaller than that of the fourth belt wheel, and the third belt wheel and the fourth belt wheel form transmission fit through a transmission belt;
the automatic limiting device comprises an air cylinder, the air cylinder is fixed on the rack, and a tip is fixed at the front end of a piston rod of the air cylinder.
As a further aspect of the present invention: the front end of an output shaft of the main motor is fixedly provided with a first belt wheel, the middle of the bottom of the rack is rotatably connected with a transmission shaft, the front end of the transmission shaft is fixedly provided with a second belt wheel, and the first belt wheel and the second belt wheel form transmission fit through a transmission belt.
As the utility model discloses further scheme again: the rear end of the transmission shaft is fixedly provided with a flywheel, and the outer sides of the second belt wheel and the flywheel are rotatably connected with a connecting rod in a way of deviating from the circle center.
As a further aspect of the present invention: the bottom ends of the connecting rods on the front side and the rear side are respectively rotatably connected to the second belt wheel and the flywheel, and the top ends of the connecting rods are rotatably connected with the sliding blocks.
As the utility model discloses further scheme again: the outer side of the flywheel is fixed with a stud, the rack is fixed with a proximity sensor, and the proximity sensor is positioned at the upper right of the flywheel.
As the utility model discloses further scheme again: the cylinder is fixed on the frame on the right side of the flywheel, and a limiting hole is integrally formed in the periphery of the flywheel.
As a further aspect of the present invention: all be fixed with the slide rail on the wall of both sides around the frame, slider sliding connection is in the slide rail, is fixed with the installing frame between the slider of both sides.
As a further aspect of the present invention: the mounting frame is of a frame structure, and a saw blade is fixed on the mounting frame.
The utility model has the advantages that:
1. the utility model discloses a set up vice motor and can make and carry out speed reduction's band pulley group between vice motor and the main motor for can drive the output shaft slow rotating of main motor through electronic mode, and then drive the saw blade installing frame and upwards rise, and then need not to rotate the output shaft of main motor through the manpower, thereby can reduce operating personnel's intensity of labour, reduce operating personnel's intensity of labour.
2. The utility model discloses a set up proximity sensor and protrusion and be fixed in the screw rod on the flywheel for convex screw rod just is to proximity switch's test section when the installing frame moves to the highest point, thereby makes the control system of device can perceive that the installing frame has moved to highest position department, and in time closes vice motor.
3. The utility model has the advantages that the cylinder with the top at the end part of the piston rod and the limit hole just opposite to the top when the mounting frame is at the highest position are arranged, so that when the mounting frame reaches the highest position, the control system can control the cylinder to extend the piston rod of the cylinder, and then the top is inserted into the limit hole on the flywheel, and the mounting frame is fixed relative to the frame; therefore, the mounting frame is not required to be manually fixed by manpower, the labor intensity of operators can be reduced, and the labor intensity of the operators is reduced.
Drawings
Fig. 1 is a schematic front side structural view of the electric frame lifting device of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic rear side structure diagram of the electric frame lifting device provided by the present invention;
FIG. 4 is an enlarged view of FIG. 3 at B;
fig. 5 is an enlarged view of fig. 3 at C.
In the figure: the device comprises a machine frame 1, a main motor 2, a first belt wheel 3, a second belt wheel 4, a transmission shaft 5, a connecting rod 6, a mounting frame 7, a saw blade 8, a sliding block 9, a sliding rail 10, a flywheel 11, a third belt wheel 12, an auxiliary motor 13, a fourth belt wheel 14, a proximity sensor 15, a stud 16, a cylinder 17 and a tip 18.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
An electric frame lifting device, as shown in fig. 1-5, comprises a frame 1, wherein an automatic limiting device, a main motor 2 and an auxiliary motor 13 are fixed on the frame 1 in order to reduce the labor intensity of operators;
in order to drive the output shaft of the main motor 2 to rotate slowly in an electric mode instead of manual operation; a third belt wheel 12 is fixed on an output shaft of the auxiliary motor 13, a fourth belt wheel 14 is fixed at the rear end of the output shaft of the main motor 2, the diameter of the third belt wheel 12 is smaller than that of the fourth belt wheel 14, and the third belt wheel 12 is in transmission fit with the fourth belt wheel 14 through a transmission belt;
by arranging the auxiliary motor 13, the third belt wheel 12 and the fourth belt wheel 14, the auxiliary motor 13 can drive the third belt wheel 12 to rotate when rotating, and further drive the fourth belt wheel 14 to rotate through a transmission belt, so as to drive the output shaft of the main motor 2 to rotate, and as the diameter of the third belt wheel 12 is smaller than that of the fourth belt wheel 14, the effect of speed reduction transmission can be realized, so that the rotating speed of the output shaft of the main motor 2 at the moment is smaller than that during normal work; the purpose of replacing manual rotation of the output shaft of the main motor by an electric mode is achieved.
In order to be able to convert the rotation of the main motor 2 into a reciprocating movement of the saw blade 8; the front end of the output shaft of the main motor 2 is fixedly provided with a first belt wheel 3, the middle of the bottom of the rack 1 is rotatably connected with a transmission shaft 5, the front end of the transmission shaft 5 is fixedly provided with a second belt wheel 4, and the first belt wheel 3 is in transmission fit with the second belt wheel 4 through a transmission belt.
A flywheel 11 is fixed at the rear end of the transmission shaft 5, and the outer sides of the second belt wheel 4 and the flywheel 11 are rotatably connected with a connecting rod 6 in a way of deviating from the center of a circle; the bottom ends of the connecting rods 6 on the front side and the rear side are respectively and rotatably connected to the second belt wheel 4 and the flywheel 11, and the top ends of the connecting rods 6 are rotatably connected with the sliding blocks 9.
In order to be able to fix the position of the mounting frame 7 when it is at its highest point; the automatic limiting device comprises an air cylinder 17, the air cylinder 17 is fixed on the machine frame on the right side of the flywheel 11, a tip 18 is fixed at the front end of a piston rod of the air cylinder 17, a limiting hole is integrally formed in the periphery of the flywheel 11, and when the mounting frame 7 is located at the topmost end, the tip 18 is right opposite to the limiting hole.
In order to stop the rotation of the sub-motor 13 and simultaneously operate the cylinder 17 when the mounting frame 7 moves to the topmost end; a stud 16 is fixed on the outer side of the flywheel 11, the end of the stud 16 protrudes out of the outer side surface of the flywheel 11, a proximity sensor 15 is fixed on the frame 1, the proximity sensor 15 is an eddy current sensor, the proximity sensor 15 is positioned at the upper right of the flywheel 11, and the proximity sensor 15 is electrically connected to a control system of the device; when the mounting frame 7 moves to the topmost end, the detection end of the proximity sensor 15 is aligned with the end of the stud 16 protruding from the side face of the flywheel 11.
Through the arrangement of the proximity sensor 15 capable of detecting that the mounting frame 7 moves to the highest position, and the cylinder 17 and the tip 18 capable of limiting the rotation of the flywheel 11, when the mounting frame 7 moves to the highest point, the end part of the stud 16 just faces the proximity sensor 15, so that after a control system of a device for changing the measurement value of the proximity sensor 15 senses the change, the power supply to the auxiliary motor 13 is immediately stopped, the cylinder 17 is simultaneously actuated, the tip 18 is inserted into the limiting hole in the side surface of the flywheel 11, the flywheel 11 cannot continue to rotate, and the mounting frame 7 can be fixed relative to the rack.
The working principle is as follows: when the saw blade 8 needs to be replaced, the power supply of the main motor 2 is cut off, and a frame lifting program is executed through a control system;
when a frame lifting program is executed, the auxiliary motor 13 rotates to drive the third belt wheel 12 to rotate, the fourth belt wheel 14 is further driven to rotate through the transmission belt, the output shaft of the main motor 2 is further driven to rotate, the first belt wheel 3 is further driven to rotate, the second belt wheel 4 is further driven to rotate, the mounting frame 7 is further driven to move up and down through the connecting rod 6, when the mounting frame 7 moves to the highest point, the end portion of the stud 16 just faces the proximity sensor 15, the control system of the device for changing the measured value of the proximity sensor 15 senses the change, power supply to the auxiliary motor 13 is immediately stopped, the air cylinder 17 is simultaneously driven, the piston rod of the air cylinder 17 extends out, the tip 18 is further inserted into the limiting hole in the side face of the flywheel 11, the flywheel 11 cannot rotate continuously, and the mounting frame 7 can be fixed relative to the rack;
can change the operation of saw blade 8 this moment, after accomplishing the change operation of saw blade 8, only need make the piston rod retraction of cylinder 17 reset through control system, can normally start the machine.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (8)
1. The electric frame lifting device comprises a rack (1) and is characterized in that an automatic limiting device, a main motor (2) and an auxiliary motor (13) are fixed on the rack (1);
a third belt wheel (12) is fixed on an output shaft of the auxiliary motor (13), a fourth belt wheel (14) is fixed at the rear end of the output shaft of the main motor (2), the diameter of the third belt wheel (12) is smaller than that of the fourth belt wheel (14), and the third belt wheel (12) is in transmission fit with the fourth belt wheel (14) through a transmission belt;
the automatic limiting device comprises an air cylinder (17), the air cylinder (17) is fixed on the rack (1), and a tip (18) is fixed at the front end of a piston rod of the air cylinder (17).
2. The electric frame lifting device according to claim 1, wherein a first belt wheel (3) is fixed at the front end of the output shaft of the main motor (2), a transmission shaft (5) is rotatably connected to the middle of the bottom of the frame (1), a second belt wheel (4) is fixed at the front end of the transmission shaft (5), and the first belt wheel (3) is in transmission fit with the second belt wheel (4) through a transmission belt.
3. An electric frame lifting device according to claim 2, characterized in that a flywheel (11) is fixed to the rear end of the transmission shaft (5), and a connecting rod (6) is rotatably connected to the outer sides of the second pulley (4) and the flywheel (11) in a manner deviating from the center of a circle.
4. An electric frame lifting device according to claim 3, characterized in that the bottom ends of the connecting rods (6) at the front and rear sides are respectively rotatably connected to the second belt wheel (4) and the flywheel (11), and the top ends of the connecting rods (6) are rotatably connected with the sliding blocks (9).
5. The electric frame lifting device according to claim 4, characterized in that a stud (16) is fixed on the outer side of the flywheel (11), a proximity sensor (15) is fixed on the frame (1), and the proximity sensor (15) is located on the upper right of the flywheel (11).
6. The electric frame lifting device according to claim 5, wherein the cylinder (17) is fixed to a frame on the right side of the flywheel (11), and a limiting hole is integrally formed on the outer periphery of the flywheel (11).
7. The electric frame lifting device according to claim 6, wherein the front and rear side walls of the frame (1) are fixed with sliding rails (10), the sliding blocks (9) are slidably connected to the sliding rails (10), and the mounting frame (7) is fixed between the sliding blocks (9) at two sides.
8. The electric frame lifting device according to claim 7, wherein the mounting frame (7) is a frame structure, and a saw blade (8) is fixed on the mounting frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222349641.0U CN217943613U (en) | 2022-09-05 | 2022-09-05 | Electric frame lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222349641.0U CN217943613U (en) | 2022-09-05 | 2022-09-05 | Electric frame lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217943613U true CN217943613U (en) | 2022-12-02 |
Family
ID=84211851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222349641.0U Active CN217943613U (en) | 2022-09-05 | 2022-09-05 | Electric frame lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217943613U (en) |
-
2022
- 2022-09-05 CN CN202222349641.0U patent/CN217943613U/en active Active
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